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Determining area of tree canopy shading for calculations

NC-v4 SSc5: Heat Island Reduction
posted by Erica Downs on May 13, 2025, 10:05 am

When determining the "Area shaded by plant canopy", do you count the entire tree canopy area, or only the area of hardscape that overlaps with the 10-yr tree canopy? I've received conflicting...

Last reply: Erica Downs, May 14, 2025, 10:58 am

Concrete pavers on roof

NC-v4 SSc5: Heat Island Reduction
posted by Max Zayika on Oct 30, 2017, 10:13 am

Dear All,

I have a project that's located in Europe. The buiding will have an accessible roof terrace which will be paved with white concrete pavers. The manufacturer does not offer any...

Last reply: Philip Snow, Apr 22, 2025, 9:59 am

Open-grid pavement system- is gravel inside the openings compliant?

NC-v4 SSc5: Heat Island Reduction
posted by Aleksandra Prawda on Jul 29, 2020, 8:14 am

Hi all,

In my projects in Poland usually when we aim to achieve heat island option 1. points with non-roof "open-grid pavement" strategy we mean permeable grass pavers, just like the ones...

Last reply: Dave Hubka, Apr 7, 2025, 10:45 am

Double-counting non-roof measures

NC-v4 SSc5: Heat Island Reduction
posted by Jacopo Cattaruzzi on Oct 21, 2024, 9:32 am

Hi,

I have a parking lot inside my project boundary which is partially covered by PV panels while some portions are covered by trees canopy. It also have open-grid pavement. Should I...

Last reply: Jacopo Cattaruzzi, Oct 25, 2024, 2:42 am

Heat Island Reduction- vegetated surface- modular systems

NC-v4 SSc5: Heat Island Reduction
posted by Ricardo Hernandez on Apr 12, 2024, 10:23 am

Hi Forum, can anyone confirm that a modular vegetated systems (plastic modules with ecomembrane, above ground) can count on the calculations for the vegetated surface, i would like to implement a...

Last reply: emily reese moody, Sep 2, 2024, 2:21 pm

Heat Island Reduction- Question regarding what qualifies for a "vegetated roof"

NC-v4 SSc5: Heat Island Reduction
posted by Philip Hamp on May 20, 2024, 5:57 pm

https://leeduser.buildinggreen.com/forum/ground-level-surface-undergroun... If you want to be certain, and your project is entirely underground (which is unusual), I'd recommend emailing LEED Coach to get confirmation. Log in or register to post comments ...

Last reply: emily reese moody, Sep 2, 2024, 2:10 pm

Roof or nonroof surface

NC-v4 SSc5: Heat Island Reduction
posted by Glykeria Kourkouta on Jul 24, 2024, 9:10 am

emily reese moody Sustainability Director, Certifications & Compliance Jacobs LEEDuser Expert 486 thumbs up September 2, 2024- 2:05 pm Hi Glykeria, This older post should help answer your questions:  https://leeduser.buildinggreen.com/forum/ground-level-surface-undergroun... Log in or register to post comments ...

Last reply: emily reese moody, Sep 2, 2024, 2:05 pm

Does gravel count in "Total Paving Area"

NC-v4 SSc5: Heat Island Reduction
posted by Emily Larochelle on Jul 12, 2023, 11:06 am

Hi, 

I have seen a couple posts about how to count gravel in a nonroof measure. However, I am wondering if gravel counts in the "Total site paving area" of the calculation. 

My...

Last reply: emily reese moody, Sep 2, 2024, 2:00 pm

Heat Island Reduction

NC-v4 SSc5: Heat Island Reduction
posted by Jose Castorena on Jun 27, 2024, 11:26 am

In this credit under option 1 the standard formula includes a vegetated roof.  If our client does not wish to pursue this feature due to perceived maintenance, can we still achieve this credit...

Last reply: Deborah Lucking, Jun 27, 2024, 12:05 pm

Purple Roof

NC-v4 SSc5: Heat Island Reduction
posted by Edgar Arevalo on Jun 20, 2024, 12:29 pm

Has anyone encountered a project where the client or other circumstances suggested we look into purple roof solution.  From the looks of it, it's a green roof solution with optimized stormwater...

Last reply: emily reese moody, Jun 23, 2024, 7:50 pm